User Agent Generator
Generates user agent strings for developers, testers, and QA teams to simulate traffic from different devices and browsers.
Tool coming soon!
We're working hard to get this tool ready for you.
Worked Example & Common Values
Below is a sample worked calculation demonstrating how User Agent Generator processes input data instantly inside your browser.
Birth date: Jan 15, 1995, Target date: Oct 20, 2023
Chronological Age: 28 Years, 9 Months, 5 Days (10,505 days elapsed)
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About This Tool
How to Use
- Provide inputs: browser, browser_version, os, os_version, device, and optional locale.
- Choose generation mode: deterministic or random.
- Generate: run the tool to assemble the UA string from tokens.
- Review outputs: copy the UA string and, if available, the token breakdown.
- Validate in your testing environment by inspecting the User-Agent header.
Frequently Asked Questions
Find Quick Answers
What is a user agent string?
Can it generate strings for mobile and desktop?
Can I customize by vendor-specific tokens?
Need to run multiple calculations?
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